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Letters

Routine retesting is necessary

BMJ 1996; 312 doi: https://doi.org/10.1136/bmj.312.7042.1362 (Published 25 May 1996) Cite this as: BMJ 1996;312:1362

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: January 2018 to April 2024

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AbstractFullPdf
Jan 2018100
Feb 2018500
Mar 2018300
Apr 2018320
May 20181200
Jun 2018720
Jul 2018600
Aug 2018820
Sep 20181700
Oct 20182940
Nov 20183530
Dec 20181900
Jan 20194110
Feb 20192120
Mar 20198340
Apr 20194820
May 20193700
Jun 20194910
Jul 20192000
Aug 20191800
Oct 2019860
Nov 2019800
Dec 2019300
Jan 2020510
Feb 20201020
Mar 2020100
May 20202600
Jun 2020300
Jul 2020300
Aug 2020420
Sep 20201100
Oct 20203810
Nov 20204100
Dec 20201500
Jan 20211800
Feb 2021400
Mar 20211400
Apr 2021910
May 2021400
Jun 2021200
Jul 2021810
Aug 2021500
Sep 20211110
Oct 2021400
Nov 2021400
Dec 20211000
Jan 2022300
Feb 2022500
Mar 2022300
Apr 2022100
May 2022400
Jun 20221230
Jul 2022210
Aug 20221520
Sep 20221210
Oct 2022900
Nov 2022310
Dec 2022400
Jan 2023100
Feb 2023100
Apr 2023400
May 2023300
Aug 2023100
Sep 2023700
Oct 2023700
Nov 2023300
Dec 2023200
Jan 20244120
Feb 20241300
Mar 2024300
Apr 2024200
Total892480